convert vector of character to number

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benghenia aek
benghenia aek 2022-5-22
编辑： DGM 2022-5-22
hello
how to covert vectro cell ['A' 'A' 'A' 'B' 'B' 'A'] to numerical vector [1 1 1 2 2 1]

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回答（2 个）

MJFcoNaN
MJFcoNaN 2022-5-22
Ran in:
It depends on how you translate a word, for example:
% s in this form is not a cell, but a character array
s=['A' 'A' 'A' 'B' 'B' 'A']
s = 'AAABBA'
abs(s)-abs('A')+1
ans = 1×6
1 1 1 2 2 1
DGM
DGM 2022-5-22
编辑：DGM 2022-5-22
Ran in:
Are the inputs always single characters? Are the inputs only A or B? Are the inputs always letters? Does case matter?
Here's a start for a method. It's compact and case-insensitive, but note that the outputs will probably be unexpected if the inputs aren't letters or single characters.
bunchofletters = {'A' 'A' 'A' 'B' 'B' 'A'};
bunchofnumbers = double(lower([bunchofletters{:}]))-96
bunchofnumbers = 1×6
1 1 1 2 2 1
Without knowing what the requirements are, I'm going to leave the task of making it fit for purpose up to someone who knows what the purpose is.

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